From 209b24c427bb650ccfc7986a1a9bb62d5938b015 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Mat=C4=9Bj=20Such=C3=A1nek?= <matejsuchanek97@gmail.com>
Date: Fri, 28 Oct 2016 08:29:08 +0000
Subject: [PATCH] Link to revisions and log entries from tag logs

Bug: T142888
Change-Id: Ieccd6a831a6231c1f3e83ba311eac65f956fe2ec
---
 includes/logging/TagLogFormatter.php | 40 ++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/includes/logging/TagLogFormatter.php b/includes/logging/TagLogFormatter.php
index 230d13b60b..8458e0b40a 100644
--- a/includes/logging/TagLogFormatter.php
+++ b/includes/logging/TagLogFormatter.php
@@ -30,6 +30,45 @@
  * @since 1.25
  */
 class TagLogFormatter extends LogFormatter {
+
+	protected function getMessageParameters() {
+		$params = parent::getMessageParameters();
+
+		$isRevLink = !empty( $params[3] );
+		if ( $isRevLink ) {
+			$id = $params[3];
+			$target = $this->entry->getTarget();
+			$query = [
+				'oldid' => $id,
+				'diff' => 'prev'
+			];
+		} else {
+			$id = $params[4];
+			$target = SpecialPage::getTitleValueFor( 'Log' );
+			$query = [
+				'logid' => $id,
+			];
+		}
+
+		$formattedNumber = $this->context->getLanguage()->formatNum( $id, true );
+		if ( $this->plaintext ) {
+			$link = $formattedNumber;
+		} elseif ( !$isRevLink || $target->exists() ) {
+			$link = $this->getLinkRenderer()->makeKnownLink(
+				$target, $formattedNumber, [], $query );
+		} else {
+			$link = htmlspecialchars( $formattedNumber );
+		}
+
+		if ( $isRevLink ) {
+			$params[3] = Message::rawParam( $link );
+		} else {
+			$params[4] = Message::rawParam( $link );
+		}
+
+		return $params;
+	}
+
 	protected function getMessageKey() {
 		$key = parent::getMessageKey();
 		$params = $this->getMessageParameters();
@@ -50,4 +89,5 @@ class TagLogFormatter extends LogFormatter {
 
 		return $key;
 	}
+
 }
-- 
2.20.1